function: logging
840 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| OpenHFT/Chronicle-Queue Chronicle Queue is a Java library providing microsecond-latency, persisted messaging that stores every message to disk in an append-only, z… | 98 | 3797 | stable |
| rcoh/angle-grinder Angle-grinder (agrind) is a Rust command-line tool for parsing, filtering, and aggregating log data with a live-updating terminal UI. It pr… | 52 | 3752 | active |
| open-telemetry/opentelemetry-dotnet The official OpenTelemetry SDK and API implementation for .NET, providing vendor-neutral instrumentation for traces, metrics, and logs. It … | 95 | 3743 | stable |
| Datadog Agent The Datadog Agent is the open-source agent that collects metrics, logs, traces, and profiles from hosts, containers, and cloud services and… | 95 | 3713 | stable |
| maruel/panicparse panicparse is a Go tool and library that parses Go panic stack traces, densifies and deduplicates goroutines with similar stacks, and rende… | 64 | 3709 | stable |
| odigos-io/odigos Odigos is an open-source distributed tracing and observability platform for Kubernetes and VMs that instruments applications automatically … | 95 | 3676 | active |
| apache/logging-log4j2 Apache Log4j 2 is an industrial-grade Java logging framework consisting of a feature-rich logging API (Log4j API) and a high-performance im… | 92 | 3614 | stable |
| roidrage/lograge Lograge is a Ruby gem that replaces Rails' default multi-line request logging with a single, parsable key-value line per request. It is des… | 73 | 3572 | active |
| rxi/log.c A simple logging library for C99 that provides printf-style logging macros across six severity levels. It is a drop-in two-file library sup… | 32 | 3548 | stable |
| collectiveidea/audited Audited is a Ruby gem and ActiveRecord extension for Rails that automatically logs all changes to your models into an audits table. It reco… | 56 | 3496 | active |
| johanhaleby/kubetail Kubetail is a Bash script that aggregates and follows logs from multiple Kubernetes pods into a single stream, like running 'kubectl logs -… | 75 | 3487 | stable |
| grafana/alloy Grafana Alloy is an open source OpenTelemetry Collector distribution with built-in Prometheus pipelines that collects, processes, and expor… | 92 | 3471 | active |
| owen-it/laravel-auditing A Laravel/Lumen package that keeps a history of Eloquent model changes by adding a trait to models, storing audit records via configurable … | 93 | 3458 | stable |
| kubernetes/node-problem-detector A Kubernetes daemon that runs on each node to detect node problems such as hardware failures, kernel deadlocks, and container runtime issue… | 97 | 3454 | active |
| open-telemetry/opentelemetry-js The official OpenTelemetry JavaScript API and SDK for instrumenting Node.js and browser applications to generate distributed traces, metric… | 93 | 3446 | active |
| PlatformLab/NanoLog NanoLog is an extremely high-performance C++ logging library with a simple printf-like API that achieves over 80 million logs per second at… | 23 | 3381 | stable |
| charmbracelet/log A minimal, colorful, leveled structured logging library for Go with a small API. It supports text, JSON, and logfmt formatters, an slog han… | 81 | 3370 | active |
| collectd/collectd collectd is a lightweight daemon written in C that periodically collects system and application performance metrics and stores or forwards … | 61 | 3363 | stable |
| elvishew/xLog XLog is a lightweight, powerful, and flexible logging library for Android and Java. It supports printing logs to Logcat, console, and files… | 23 | 3340 | stable |
| orhanobut/logger A simple, pretty, and powerful logging library for Android that formats log output with borders, thread info, method traces, and pretty-pri… | 23 | 13840 | maintenance |
| pamburus/hl hl is a fast, high-performance CLI log viewer and processor written in Rust that converts JSON and logfmt logs into human-readable output. … | 95 | 3270 | active |
| qos-ch/logback Logback is a reliable, fast and flexible logging framework for Java, intended as the successor to log4j 1.x. It natively implements the SLF… | 99 | 3233 | stable |
| sharkdp/dbg-macro A single-header C++ library providing a dbg(…) macro for quick printf-style debugging. It prints file, line, function, expression, value, a… | 53 | 3233 | stable |
| dotnet/extensions A suite of .NET libraries from Microsoft providing production-ready capabilities such as resilience pipelines, telemetry, diagnostics, comp… | 98 | 3202 | active |
| rap2hpoutre/laravel-log-viewer A Laravel package that provides a web-based viewer for application log files, installable via Composer with a single route. It supports Lar… | 75 | 3193 | active |
| oshai/kotlin-logging A lightweight, pure-Kotlin multiplatform logging facade that provides convenient and performant logging APIs for Kotlin. It wraps slf4j on … | 88 | 3107 | stable |
| azlux/log2ram A shell script that mounts /var/log in RAM to avoid constant writes to disk, extending SD card life on devices like the Raspberry Pi. It pe… | 61 | 3106 | active |
| subtrace/subtrace Subtrace is a CLI tool that lets developers inspect HTTP requests hitting their backend servers by wrapping any command with `subtrace run`… | 58 | 3095 | active |
| microsoft/plcrashreporter PLCrashReporter is an open-source in-process crash reporting library for iOS, macOS, and tvOS written in Objective-C. It detects crashes an… | 62 | 3066 | stable |
| odygrd/quill Quill is an ultra-low-latency asynchronous logging and metrics library for C++17. It is designed for performance-critical applications wher… | 99 | 3008 | active |
| public-activity/public_activity A Ruby gem that provides easy activity tracking for ActiveRecord, Mongoid, and MongoMapper models in Rails 6.1+. It records what has been c… | 70 | 2990 | active |
| microsoft/wil A header-only C++ library from Microsoft providing readable, type-safe C++ interfaces for common Windows coding patterns. It includes RAII … | 77 | 2968 | stable |
| Tencent/matrix Matrix is a plugin-style, non-invasive Application Performance Management (APM) system developed by WeChat for monitoring, locating, and an… | 23 | 12036 | maintenance |
| coreybutler/node-windows A Node.js library for running Node scripts as native Windows background services, with event log integration and elevated-privilege helpers… | 23 | 2936 | stable |
| inspektor-gadget/inspektor-gadget Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBP… | 99 | 2913 | active |
| symfony/monolog-bundle Symfony Monolog Bundle integrates the Monolog logging library into the Symfony framework. It wires Monolog handlers, channels, and processo… | 87 | 2913 | stable |
| onelivesleft/PrettyErrors A Python library that reformats exception tracebacks into readable, colorized output. It can be installed globally via the Python startup p… | 32 | 2873 | stable |
| benaadams/Ben.Demystifier A high-performance .NET library that renders stack traces with modern C# 7.0+ features (async, lambdas, generics, iterators) in a format th… | 23 | 2867 | stable |
| whylabs/whylogs whylogs is an open-source Python data logging library for machine learning models and data pipelines. It profiles datasets with privacy-pre… | 34 | 2831 | active |
| kint-php/kint Kint is an advanced variable dumper for PHP, a zero-setup replacement for var_dump() with keyboard controls, search, and automatic data par… | 60 | 2818 | active |
| mouzt/mzt-biz-log A Spring Boot annotation-based operation/audit logging library that records who did what, when, to which entity. It supports SpEL variables… | 51 | 2777 | active |
| control-theory/gonzo Gonzo is a Go-based terminal UI (TUI) for real-time log analysis, inspired by k9s. It visualizes log streams with charts, filtering, and AI… | 79 | 2755 | active |
| pimterry/loglevel loglevel is a minimal, lightweight JavaScript logging library that adds reliable level-based logging (trace/debug/info/warn/error) on top o… | 28 | 2747 | stable |
| ComodoSecurity/openedr OpenEDR is an open-source Endpoint Detection and Response (EDR) agent written in C++ that records endpoint telemetry, process hierarchies, … | 60 | 2716 | active |
| coreos/go-systemd Go bindings for systemd covering socket activation, sd_notify service notifications, the D-Bus API, journald read/write, logind, machined, … | 77 | 2711 | stable |
| open-telemetry/opentelemetry-rust The official Rust implementation of the OpenTelemetry APIs and SDKs for instrumenting applications to emit traces, metrics, and logs. It ex… | 92 | 2689 | active |
| symfony/error-handler The Symfony ErrorHandler component provides tools to manage errors and ease debugging PHP code, converting PHP errors and notices into exce… | 99 | 2670 | stable |
| outflanknl/RedELK RedELK is a self-hosted SIEM built on the Elastic stack (Elasticsearch, Logstash, Kibana) tailored for red team operations. It aggregates a… | 58 | 2665 | active |
| likaia/nginxpulse NginxPulse is a lightweight self-hosted dashboard for analyzing and visualizing Nginx access logs, built with a Go backend and Vue 3 fronte… | 70 | 2649 | active |
| thepirat000/Audit.NET Audit.NET is an extensible .NET framework for generating audit logs of executing operations, capturing environmental data like user ID, mac… | 76 | 2645 | active |
| open-telemetry/opentelemetry-java-instrumentation OpenTelemetry auto-instrumentation for Java, providing a Java agent JAR that attaches to any Java 8+ application and injects bytecode to ca… | 99 | 2612 | active |
| pmusolino/Wormholy Wormholy is an iOS library that records all app network traffic made through NSURLSession (including Alamofire and AFNetworking) and lets d… | 79 | 2612 | active |
| open-telemetry/opentelemetry-python The official OpenTelemetry API and SDK for Python, providing vendor-neutral instrumentation for distributed traces, metrics, and logs. It l… | 97 | 2603 | stable |
| zkat/miette miette is a Rust diagnostic library that extends std::error::Error with a Diagnostic protocol, derive macros, and pretty, detailed error re… | 63 | 2601 | stable |
| mendhak/gpslogger GPSLogger is a lightweight, battery-efficient Android application that logs GPS coordinates to formats like GPX, KML, CSV, and NMEA. It sup… | 90 | 2596 | active |
| j-hui/fidget.nvim Fidget.nvim is a Neovim plugin that provides an extensible, unobtrusive UI for displaying notifications and LSP progress messages in a corn… | 87 | 2591 | active |
| symfony/monolog-bridge A Symfony bridge component that integrates the Monolog logging library with various Symfony components. It wires Monolog handlers, processo… | 99 | 2583 | stable |
| SergiusTheBest/plog Plog is a portable, header-only C++ logging library in about 1000 lines of code. It offers multiple formatters (txt, CSV) and appenders (ro… | 67 | 2577 | stable |
| tezc/sc A collection of portable, stand-alone C99 libraries and data structures such as hashmap, heap, linked list, logger, and ini parser. Each mo… | 65 | 2570 | active |
| rust-lang/log The `log` crate is a lightweight logging facade for Rust that provides a single logging API abstracting over actual logging implementations… | 95 | 2544 | stable |
| HardySimpson/zlog zlog is a pure C logging library inspired by log4j/logback, offering categories, formats, and rules configured via a file. It is reliable, … | 66 | 2543 | stable |
| logfellow/logstash-logback-encoder A Java library providing Logback encoders, layouts, and appenders for logging in JSON and other Jackson-supported formats. Originally built… | 69 | 2529 | active |
| qos-ch/slf4j SLF4J is a simple facade/abstraction for various Java logging frameworks such as java.util.logging, logback, log4j 2.x, reload4j, and tinyl… | 82 | 2519 | stable |
| django-commons/django-simple-history A Django app that records the state of models on every create, update, and delete, storing a full change history. It integrates with the Dj… | 93 | 2461 | active |
| exceptionless/Exceptionless Exceptionless is an open-source real-time error monitoring and reporting service for .NET, JavaScript, and Node applications, with clients … | 99 | 2455 | active |
| cockroachdb/errors A Go error handling library that is a drop-in replacement for the standard errors package and github.com/pkg/errors, adding network-portabl… | 83 | 2454 | active |
| abseil/abseil-py Abseil Python Common Libraries (absl-py) is a collection of Python library code extracted from Google's production codebase. It provides ap… | 88 | 2450 | stable |
| open-telemetry/opentelemetry-java The official OpenTelemetry Java SDK, providing the Java implementation of the OpenTelemetry API for recording traces, metrics, and logs, pl… | 98 | 2447 | active |
| MichaCo/CacheManager CacheManager is an open-source caching abstraction layer for .NET written in C#, supporting multiple cache providers such as Redis, Memcach… | 64 | 2420 | active |
| ARCANEDEV/LogViewer A Laravel package that provides a ready-to-use log viewer for managing and inspecting application log files. It offers an API plus built-in… | 23 | 2390 | active |
| DebugSwift/DebugSwift DebugSwift is an open-source, in-app debugging toolkit for iOS applications built in Swift. It provides a floating overlay inside the runni… | 92 | 2383 | active |
| syslog-ng/syslog-ng syslog-ng is an enhanced syslog daemon that collects, parses, filters, and routes log messages from a wide range of sources including syslo… | 92 | 2371 | stable |
| symfony/debug-bundle A Symfony bundle that integrates the VarDumper component and MonologBridge's ServerLogCommand into the Symfony full-stack framework. It pro… | 94 | 2360 | stable |
| rsyslog/rsyslog Rsyslog is a high-performance open-source log ingestion and ETL engine written in C, originally a syslog daemon and now a modular pipeline … | 95 | 2329 | stable |
| castleproject/Core Castle Core is a foundational .NET library providing logging service abstractions, the Castle DynamicProxy lightweight runtime proxy genera… | 57 | 2314 | stable |
| kubenav/kubenav kubenav is a mobile app for iOS and Android that lets you manage Kubernetes clusters from your phone. It provides a kubectl-like experience… | 78 | 2289 | active |
| logdyhq/logdy-core Logdy is a lightweight, single-binary realtime log viewer that pipes terminal output or log files into an embedded local web UI, acting lik… | 45 | 2280 | active |
| AppMetrics/AppMetrics App Metrics is an open-source, cross-platform .NET library for recording and reporting application metrics such as gauges, counters, meters… | 38 | 2249 | active |
| Resinat/Resin Resin is a high-performance proxy pool gateway written in Go that aggregates massive numbers of proxy nodes into a unified, observable prox… | 79 | 2224 | active |
| dfeneyrou/palanteer Palanteer is a visual nanosecond profiler and logger for C++ and Python programs, with a single-header C++ instrumentation library and most… | 32 | 2212 | active |
| VictoriaMetrics/VictoriaLogs VictoriaLogs is an open-source, schema-free database purpose-built for storing and querying logs, scaling from small setups to terabytes of… | 85 | 2191 | active |
| alibaba/loongcollector LoongCollector (formerly iLogtail) is a high-performance, lightweight observability data collection agent from Alibaba for cloud-native env… | 85 | 2190 | active |
| logstash-plugins/logstash-patterns-core A Logstash plugin providing the built-in grok pattern definitions used to parse unstructured log data into structured fields. It ships the … | 75 | 2186 | stable |
| phoenixframework/phoenix_live_dashboard A real-time performance monitoring and debugging dashboard for Phoenix applications, built on LiveView. It visualizes telemetry metrics, re… | 67 | 2170 | active |
| beelzebub-labs/beelzebub Beelzebub is an open-source deception runtime framework written in Go that deploys adaptive, LLM-powered honeypot decoy services across SSH… | 98 | 2165 | active |
| armink/CmBacktrace CmBacktrace is an open-source C library for ARM Cortex-M microcontrollers that automatically diagnoses faults (Hard Fault, Bus Fault, etc.)… | 76 | 2160 | stable |
| microsoft/SysmonForLinux Sysmon for Linux is a Sysinternals tool that monitors and logs system activity such as process lifetime, network connections, and file syst… | 86 | 2153 | active |
| linyacool/WebServer A high-performance HTTP web server written in C++11 using epoll edge-triggered non-blocking IO with a Reactor concurrency model and thread … | 32 | 8217 | maintenance |
| Leanmcp/superview.sh A shell-based setup for the LeanMCP AI Gateway, a hosted proxy that routes Claude Code (and other AI coding tools) requests through a singl… | 48 | 2112 | active |
| symfony/deprecation-contracts A minimal PHP package providing a single global `trigger_deprecation()` function and convention for emitting deprecation notices from libra… | 87 | 2099 | stable |
| FoundatioFx/Foundatio Foundatio is a C# library of pluggable abstractions for building loosely coupled distributed applications, covering caching, queues, messag… | 96 | 2098 | active |
| unjs/webpackbar A webpack/rspack plugin that displays an elegant progress bar during builds and watches, with support for multiple concurrent builds and an… | 67 | 2092 | active |
| GoogleCloudPlatform/khi Kubernetes History Inspector (KHI) is a log visualization tool that turns Kubernetes cluster logs into interactive timeline and topology vi… | 87 | 2082 | active |
| boz/kail Kail is a Go CLI tool that tails and streams logs from all containers of pods matching selectors like service, deployment, or namespace in … | 36 | 2067 | active |
| beyondcode/laravel-query-detector A Laravel package that detects N+1 query problems in real time during development and alerts developers when eager loading should be used. … | 71 | 2056 | active |
| JakeWharton/hugo Hugo is an Android library and Gradle plugin that adds automatic method call logging via a @DebugLog annotation. It logs method entry with … | 32 | 7887 | maintenance |
| k0kubun/pp A Go library that provides a colored pretty printer for Go data structures, with fmt-like API functions such as Print, Println, Sprint, and… | 78 | 2052 | stable |
| bugsink/bugsink Bugsink is a self-hosted error tracking service that collects exceptions from running applications and presents stacktraces, code, and loca… | 88 | 2037 | active |
| ansible-community/ara ARA Records Ansible is a reporting tool that records ansible and ansible-playbook runs via an Ansible callback plugin, storing results in S… | 74 | 2019 | active |
| apache/bookkeeper Apache BookKeeper is a scalable, fault-tolerant, low-latency distributed storage service optimized for append-only workloads, offering repl… | 89 | 2009 | stable |